import requests

def getHTMLText(url):
    try:
        r = requests.get(url,timeout = 30)
        r.raise_for_status()
        r.encoding = r.apparent_encoding
        return r.text
    except:
        return "产生异常"

if __name__=="__main__":
    url = "http://www.baidu.com"
    print(getHTMLText(url))
    #url2 is a wrong url address
    url2 = "ww.c"
    print(getHTMLText(url2))



